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Explain the encapsulated anonymous function syntax
...e grammar of a FunctionDeclaration looks like this:
function Identifier ( FormalParameterListopt ) { FunctionBody }
And FunctionExpressions:
function Identifieropt ( FormalParameterListopt ) { FunctionBody }
As you can see the Identifier (Identifieropt) token in FunctionExpression is optional,...
Git diff to show only lines that have been modified
...lly be used as patches to source files, which is impossible without that information. The only way to remove it would be to post-process it yourself, such as via git diff | egrep "^(\+|-) ".
– Chris Hayes
Sep 15 '13 at 9:23
...
Why do we not have a virtual constructor in C++?
...tors?
A virtual call is a mechanism to get work done given partial
information. In particular, "virtual" allows us to call a function
knowing only any interfaces and not the exact type of the object. To
create an object you need complete information. In particular, you
need to know the e...
Add all files to a commit except a single file?
...
@MariusKavansky You can use all of these forms. If you use main/* it is necessary to add -- in front of it to let git know that it is a path. The other two variants work without including the two dashes. (Tested in command prompt on Windows 7 with msysGit)
...
What is the preferred/idiomatic way to insert into a map?
...e. As other answers have noted, this has several advantages over the other forms:
The operator[] approach requires the mapped type to be assignable, which isn't always the case.
The operator[] approach can overwrite existing elements, and gives you no way to tell whether this has happened.
The oth...
LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
... @LasseV.Karlsen I just meant that the left side has the concise form and the right side has the expanded form. I thought it would make it coherent if you followed the same for JOINs as well.
– nawfal
May 2 '13 at 7:40
...
Automatically update version number
...= Assembly.GetExecutingAssembly().GetName().Version;
string About = string.Format(CultureInfo.InvariantCulture, @"YourApp Version {0}.{1}.{2} (r{3})", v.Major, v.Minor, v.Build, v.Revision);
And, to clarify: In .net or at least in C#, the build is actually the THIRD number, not the fourth one as...
How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
...e safe. In your code, you can suppress the warnings for variables and even formal parameters by using GCC's unused attribute. Lets say you have this code snippet:
void func(unsigned number, const int version)
{
unsigned tmp;
std::cout << number << std::endl;
}
There might be a sit...
Prevent line-break of span element
...
Put this in your CSS:
white-space:nowrap;
Get more information here: http://www.w3.org/wiki/CSS/Properties/white-space
white-space
The white-space property declares how white space inside the element is handled.
Values
normal
This value directs user agents to collapse seque...
SET NOCOUNT ON usage
...k to default counting behavior almost always without worrying about the performance. There are some cases though, where calculating the number of rows beforehand would impact the performance, such as a forward-only cursor. In that case NOCOUNT might be a necessity. Other than that, there is absolute...